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Finding the Fourth Proportional to 223,600.80, 335,401.20 and 222,288.60

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Solution

The fourth proportional to 223,600.80, 335,401.20 and 222,288.60 is: 333,432.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,600.80 : 335,401.20 = 222,288.60 : x
  2. Step 2: Convert to fraction form
    223,600.80/335,401.20 = 222,288.60/x
  3. Step 3: Cross multiply
    223,600.80x = 335,401.20 × 222,288.60
  4. Step 4: Simplify right side
    223,600.80x = 74,555,863,186.32
  5. Step 5: Solve for x
    x = 74,555,863,186.32/223,600.80
  6. Step 6: Final answer
    x = 333,432.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.